Choose Date:
Archive:
Water Year
Loading...
COLUMBIA - BLO ROCK ISLAND DAM
(
RISW1
)
Forecasts for Water Year
2025
Official Water Supply
ESP with 10 Days QPF
Ensemble:
2025-04-30
Issued:
2025-04-30
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
53024
56301
83
62522
67524
APR-JUL
44887
47769
82
53603
58256
JAN-SEP
61636
64913
84
71134
77708
JAN-JUL
53500
56381
82
62216
68440
OCT-SEP
70384
73661
85
79882
87167
Experimental Water Supply
HEFS with 15 days EQPF
Ensemble:
2025-04-30
Issued:
2025-04-30
Hide Forecast
APR-SEP
54059
57516
85
63325
67524
APR-JUL
45782
48932
84
54565
58256
JAN-SEP
62671
66128
85
71938
77708
JAN-JUL
54394
57544
84
63177
68440
OCT-SEP
71419
74876
86
80685
87167
Reference
ESP with 0 Days QPF
Ensemble:
2025-04-30
Issued:
2025-04-30
Hide Forecast
APR-SEP
54056
57654
85
62982
67524
APR-JUL
45484
48711
84
54159
58256
JAN-SEP
62668
66266
85
71594
77708
JAN-JUL
54096
57324
84
62772
68440
OCT-SEP
71416
75014
86
80342
87167
Move the mouse over the desired "Forecast Period" to display a graph.
ESP10, 198, 276, 327, 383, 419, 71, , 75
ESP10, 201, 279, 327, 388, 421, 74, , 78
ESP10, 203, 286, 329, 390, 425, 77, , 81
ESP10, 203, 285, 333, 389, 424, 81, , 85
ESP10, 206, 284, 338, 388, 423, 84, , 88
ESP10, 207, 285, 342, 387, 426, 87, , 91
ESP10, 212, 286, 342, 391, 427, 90, , 94
ESP10, 213, 288, 343, 392, 427, 93, , 97
ESP10, 206, 283, 336, 384, 420, 96, , 100
ESP10, 204, 284, 333, 382, 419, 99, , 103
ESP10, 200, 290, 329, 379, 416, 103, , 107
ESP10, 198, 290, 327, 378, 415, 106, , 110
ESP10, 203, 295, 333, 383, 422, 109, , 113
ESP10, 205, 299, 335, 386, 425, 112, , 116
ESP10, 205, 297, 332, 382, 423, 115, , 119
ESP10, 197, 290, 325, 379, 419, 118, , 122
ESP10, 194, 286, 324, 379, 415, 121, , 125
ESP10, 188, 279, 321, 375, 409, 125, , 129
ESP10, 185, 279, 327, 375, 410, 128, , 132
ESP10, 181, 276, 323, 374, 410, 131, , 135
ESP10, 183, 277, 324, 374, 411, 134, , 138
ESP10, 193, 285, 329, 392, 417, 137, , 141
ESP10, 187, 282, 326, 389, 415, 140, , 144
ESP10, 191, 288, 335, 395, 420, 143, , 147
ESP10, 193, 290, 335, 396, 421, 147, , 151
ESP10, 197, 298, 342, 399, 425, 150, , 154
ESP10, 205, 301, 347, 403, 431, 153, , 157
ESP10, 211, 305, 352, 408, 436, 156, , 160
ESP10, 209, 306, 350, 408, 435, 159, , 163
ESP10, 204, 305, 347, 406, 433, 162, , 166
ESP10, 188, 289, 337, 392, 424, 166, , 170
ESP10, 186, 290, 335, 387, 424, 169, , 173
ESP10, 186, 292, 336, 386, 430, 172, , 176
ESP10, 178, 286, 328, 377, 423, 175, , 179
ESP10, 175, 278, 320, 367, 414, 178, , 182
ESP10, 176, 274, 319, 366, 410, 181, , 185
ESP10, 184, 277, 321, 368, 415, 184, , 188
ESP10, 177, 266, 313, 360, 405, 188, , 192
ESP10, 175, 264, 313, 357, 404, 191, , 195
ESP10, 183, 279, 325, 367, 415, 194, , 198
ESP10, 199, 294, 339, 381, 429, 197, , 201
ESP10, 207, 296, 340, 391, 431, 200, , 204
ESP10, 201, 284, 335, 381, 422, 203, , 207
ESP10, 213, 289, 339, 380, 426, 206, , 210
ESP10, 177, 253, 301, 343, 390, 210, , 214
ESP10, 170, 245, 293, 334, 383, 213, , 217
ESP10, 179, 254, 301, 343, 391, 216, , 220
ESP10, 196, 267, 317, 355, 408, 219, , 223
ESP10, 201, 271, 321, 366, 414, 222, , 226
ESP10, 209, 278, 334, 371, 421, 225, , 229
ESP10, 206, 275, 327, 365, 417, 228, , 232
ESP10, 214, 285, 331, 373, 421, 232, , 236
ESP10, 221, 300, 342, 381, 425, 235, , 239
ESP10, 217, 296, 337, 382, 421, 238, , 242
ESP10, 212, 291, 330, 380, 417, 241, , 245
ESP10, 221, 294, 330, 382, 423, 244, , 248
ESP10, 216, 285, 325, 374, 415, 247, , 251
ESP10, 219, 286, 327, 379, 417, 250, , 254
ESP10, 222, 288, 334, 388, 420, 254, , 258
ESP10, 233, 296, 343, 396, 425, 257, , 261
ESP10, 234, 297, 345, 399, 427, 260, , 264
ESP10, 232, 296, 342, 397, 427, 263, , 267
ESP10, 234, 295, 344, 397, 426, 266, , 270
ESP10, 230, 284, 340, 389, 423, 269, , 273
ESP10, 233, 287, 349, 392, 431, 272, , 276
ESP10, 238, 289, 354, 394, 435, 276, , 280
ESP10, 230, 281, 347, 387, 432, 279, , 283
ESP10, 239, 289, 355, 393, 439, 282, , 286
ESP10, 238, 286, 351, 389, 436, 285, , 289
ESP10, 236, 295, 346, 382, 431, 288, , 292
ESP10, 252, 313, 364, 396, 446, 291, , 295
ESP10, 253, 319, 365, 399, 449, 294, , 298
ESP10, 247, 314, 363, 396, 446, 298, , 302
ESP10, 238, 302, 354, 388, 439, 301, , 305
ESP10, 228, 284, 345, 372, 425, 304, , 308
ESP10, 225, 274, 338, 364, 418, 307, , 311
ESP10, 230, 276, 343, 367, 424, 310, , 314
ESP10, 235, 283, 347, 372, 427, 313, , 317
ESP10, 235, 284, 347, 374, 426, 316, , 320
ESP10, 233, 282, 335, 364, 416, 320, , 324
ESP10, 230, 274, 326, 355, 407, 323, , 327
ESP10, 243, 279, 332, 360, 411, 326, , 330
ESP10, 241, 274, 326, 355, 405, 329, , 333
ESP10, 254, 286, 339, 368, 416, 332, , 336
ESP10, 247, 277, 334, 364, 410, 335, , 339
ESP10, 257, 286, 342, 374, 419, 339, , 343
ESP10, 254, 282, 335, 368, 414, 342, , 346
ESP10, 258, 287, 335, 370, 429, 345, , 349
ESP10, 258, 288, 335, 376, 430, 348, , 352
ESP10, 265, 294, 342, 381, 434, 351, , 355
ESP10, 268, 305, 350, 384, 433, 354, , 358
ESP10, 261, 298, 343, 376, 424, 357, , 361
ESP10, 266, 303, 352, 379, 429, 361, , 365
ESP10, 271, 310, 358, 385, 436, 364, , 368
ESP10, 269, 324, 360, 389, 437, 370, , 374
ESP10, 270, 325, 363, 389, 438, 373, , 377
ESP10, 273, 328, 364, 394, 440, 376, , 380
ESP10, 280, 335, 366, 396, 442, 379, , 383
ESP10, 289, 337, 368, 402, 443, 383, , 387
ESP10, 292, 337, 370, 407, 444, 386, , 390
ESP10, 294, 337, 373, 409, 445, 389, , 393
ESP10, 293, 337, 373, 409, 444, 392, , 396
ESP10, 292, 338, 375, 408, 442, 395, , 399
ESP10, 297, 342, 376, 410, 448, 398, , 402
ESP10, 300, 348, 379, 409, 449, 401, , 405
ESP10, 304, 359, 382, 412, 451, 405, , 409
ESP10, 304, 360, 383, 413, 451, 408, , 412
ESP10, 307, 361, 385, 415, 453, 411, , 415
ESP10, 314, 368, 390, 422, 457, 414, , 418
ESP10, 320, 369, 390, 424, 456, 417, , 421
ESP10, 322, 372, 395, 427, 459, 420, , 424
ESP10, 319, 375, 396, 425, 457, 423, , 427
ESP10, 315, 371, 394, 422, 455, 427, , 431
ESP10, 316, 371, 399, 424, 455, 430, , 434
ESP10, 321, 376, 401, 426, 456, 433, , 437
ESP10, 316, 373, 395, 423, 452, 436, , 440
ESP10, 312, 370, 391, 419, 448, 439, , 443
ESP10, 318, 373, 392, 422, 453, 442, , 446
ESP10, 318, 374, 393, 422, 455, 445, , 449
ESP10, 320, 376, 396, 423, 457, 449, , 453
ESP10, 326, 382, 400, 426, 465, 452, , 456
ESP10, 326, 383, 399, 425, 466, 455, , 459
ESP10, 330, 381, 398, 422, 465, 458, , 462
ESP10, 335, 381, 398, 421, 465, 461, , 465
ESP10, 332, 379, 398, 420, 464, 464, , 468
ESP10, 335, 380, 399, 421, 464, 467, , 471
ESP10, 337, 382, 398, 420, 463, 471, , 475
ESP10, 331, 372, 387, 412, 453, 474, , 478
ESP10, 339, 382, 398, 424, 459, 477, , 481
ESP10, 339, 383, 400, 423, 456, 480, , 484
ESP10, 346, 386, 405, 427, 459, 483, , 487
ESP10, 353, 391, 413, 430, 463, 486, , 490
ESP10, 353, 392, 412, 429, 462, 490, , 494
ESP10, 353, 398, 413, 430, 461, 493, , 497
ESP10, 342, 385, 400, 420, 449, 496, , 500
ESP10, 336, 377, 394, 413, 442, 499, , 503
ESP10, 333, 373, 391, 412, 438, 502, , 506
ESP10, 335, 375, 396, 414, 440, 505, , 509
ESP10, 336, 375, 398, 413, 441, 508, , 512
ESP10, 340, 377, 400, 414, 443, 512, , 516
ESP10, 339, 378, 398, 416, 441, 515, , 519
ESP10, 335, 370, 393, 411, 437, 518, , 522
ESP10, 333, 361, 385, 408, 431, 521, , 525
ESP10, 343, 368, 391, 416, 439, 524, , 528
ESP10, 353, 379, 400, 425, 446, 527, , 531
ESP10, 356, 385, 403, 427, 448, 530, , 534
ESP10, 357, 385, 403, 426, 448, 534, , 538
ESP10, 355, 384, 403, 422, 445, 537, , 541
ESP10, 352, 378, 397, 416, 440, 540, , 544
ESP10, 349, 377, 396, 412, 435, 543, , 547
ESP10, 352, 380, 399, 414, 436, 546, , 550
ESP10, 353, 381, 400, 415, 436, 549, , 553
ESP10, 359, 385, 406, 418, 442, 552, , 556
ESP10, 353, 382, 398, 413, 435, 556, , 560
ESP10, 347, 376, 390, 411, 429, 559, , 563
ESP10, 338, 366, 380, 400, 419, 562, , 566
ESP10, 345, 372, 385, 404, 424, 565, , 569
ESP10, 349, 374, 389, 407, 427, 568, , 572
ESP10, 346, 374, 386, 405, 423, 571, , 575
ESP10, 342, 372, 383, 402, 419, 574, , 578
ESP10, 333, 366, 376, 394, 412, 578, , 582
ESP10, 333, 363, 371, 394, 407, 581, , 585
ESP10, 328, 354, 363, 389, 403, 584, , 588
ESP10, 324, 350, 360, 384, 402, 587, , 591
ESP10, 323, 347, 358, 380, 401, 590, , 594
ESP10, 322, 345, 357, 378, 400, 593, , 597
ESP10, 318, 342, 354, 373, 395, 596, , 600
ESP10, 321, 344, 359, 376, 399, 600, , 604
ESP10, 326, 348, 362, 379, 404, 603, , 607
ESP10, 319, 337, 352, 367, 393, 606, , 610
ESP10, 320, 335, 349, 362, 390, 609, , 613
ESP10, 315, 331, 346, 357, 385, 612, , 616
ESP10, 300, 316, 332, 345, 371, 615, , 619
ESP10, 299, 316, 332, 344, 370, 618, , 622
ESP10, 298, 316, 334, 348, 371, 622, , 626
ESP10, 305, 326, 343, 359, 379, 625, , 629
ESP10, 305, 328, 345, 363, 381, 628, , 632
ESP10, 310, 336, 353, 369, 386, 631, , 635
ESP10, 317, 342, 358, 375, 391, 634, , 638
ESP10, 320, 343, 359, 378, 392, 637, , 641
ESP10, 314, 340, 352, 371, 386, 640, , 644
ESP10, 318, 345, 355, 374, 391, 644, , 648
ESP10, 309, 338, 350, 367, 385, 647, , 651
ESP10, 304, 333, 347, 365, 382, 650, , 654
ESP10, 304, 333, 350, 367, 384, 653, , 657
ESP10, 307, 338, 354, 373, 388, 656, , 660
ESP10, 309, 342, 358, 375, 390, 659, , 663
ESP10, 307, 338, 355, 373, 388, 663, , 667
ESP10, 309, 340, 356, 373, 388, 666, , 670
ESP10, 310, 342, 357, 374, 387, 669, , 673
ESP10, 313, 345, 360, 377, 389, 672, , 676
ESP10, 312, 343, 359, 376, 388, 675, , 679
ESP10, 310, 339, 355, 372, 384, 678, , 682
ESP10, 312, 344, 354, 373, 383, 681, , 685
ESP10, 318, 350, 359, 379, 390, 685, , 689
ESP10, 324, 350, 361, 379, 390, 688, , 692
ESP10, 326, 352, 363, 382, 391, 691, , 695
ESP10, 322, 347, 360, 377, 387, 694, , 698
ESP10, 324, 347, 362, 378, 387, 697, , 701
ESP10, 324, 348, 363, 381, 389, 700, , 704
ESP10, 324, 348, 364, 381, 389, 703, , 707
ESP10, 329, 353, 370, 386, 394, 707, , 711
ESP10, 334, 357, 375, 391, 400, 710, , 714
ESP10, 336, 359, 377, 392, 404, 713, , 717
ESP10, 338, 362, 379, 395, 406, 716, , 720
ESP10, 334, 362, 376, 391, 404, 719, , 723
ESP10, 331, 362, 375, 388, 403, 722, , 726
ESP10, 330, 361, 375, 388, 402, 725, , 729
ESP10, 336, 368, 380, 393, 406, 729, , 733
ESP10, 335, 366, 380, 390, 404, 732, , 736
Max Scale
Scale To Data
Scale To Last 45 Days
Show Min/Max Ensemble Volume
Show Tooltips Help
Overlay
ESP10
HEFS
ESP0
Data Files
/chpsesp/ensemble/watersupply/RISW1W_SQIN.ESPF10.csv
RISW1W_SQIN.ESPF0.csv|2025-04-30
RISW1W_SQIN.ESPF10.csv|2025-04-30
RISW1W_SQIN.ESPFM.csv|2025-04-30
APR-SEP
Commerce Home
|
NOAA
|
NWS Organization
|
NWRFC Site Map
|
Search
Freedom of Information Act
|
Privacy Policy
|
Information Quality
|
USA.gov
|
Career Opportunities
#FFF68F
#33CCFF
#404040
#660066
#F00007
#66CCFF
ESP10,ESPM,ESP0
ESP10,ESPM,ESP0
Last Forecast
